Alert archive / Nebraska / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 129, NWS Hastings, NE

July 10, 2020Franklin County, Webster County, Nebraska; Jewell County, Smith County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Jul 10, 2020, 7:42 PM CDT for Franklin County, Webster County, Nebraska; Jewell County, Smith County, Kansas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 10, 2020, 7:42 PM CDT (00:42 UTC)
Expired: Jul 10, 2020, 8:18 PM CDT
In force: 36 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Jewell County, KS, Smith County, KS, Franklin County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 41 km from the middle of the area, began a volume at 00:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 10, 5:35 PM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 211 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2032 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1726 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 6:30 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jul 10, 6:30 PM CDT, 1 hour 12 minutes before

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Hazardous weather outlook, Jul 10, 2:48 PM CDT, 4 hours 54 minutes before

Hazardous Weather Outlook
National Weather Service Hastings NE
248 PM CDT Fri Jul 10 2020

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
112000-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
248 PM CDT Fri Jul 10 2020

This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.

.DAY ONE...This Afternoon and Tonight.

There is a chance for thunderstorms to move into central Nebraska
late this afternoon and early evening with the primary threats
being hail to the size of golf balls and damaging winds up to 70
mph.

Then later into the late evening and overnight hours,
thunderstorms are expected to move southeast across eastern
portions of the forecast area. Damaging winds are the primary
threat with gusts up to 70 mph and hail to 1.5 inches possible.
The best chances for thunderstorms during the overnight hours will
be for areas east of a line from Lexington to Hebron, NE. That
being said, strong to severe storms cannot be ruled out across the
whole outlook area through the overnight hours.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Thunderstorm chances return to the forecast for the next work-week
with scattered chances each day. The best chances look to be
Monday night and Tuesday night. Some storms could be strong to
severe, but details are not known at this time. Stay tuned to the
forecast for updates.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may needed this evening or overnight tonight
across portions of central and south central Nebraska. Reports of
severe winds and hail of any size are always appreciated.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

Billings Wright

In the hours before

Local storm report, Jul 10, 6:29 PM CDT, 1 hour 13 minutes before

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Local storm report, Jul 10, 6:32 PM CDT, 1 hour 10 minutes before

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Local storm report, Jul 10, 6:33 PM CDT, 1 hour 9 minutes before

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Local storm report, Jul 10, 6:43 PM CDT, 59 minutes before

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Local storm report, Jul 10, 6:53 PM CDT, 49 minutes before

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Local storm report, Jul 10, 6:59 PM CDT, 43 minutes before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 7:00 PM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney, Nuckolls, Webster	45 min
Jul 10, 11:40 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Sherman, Valley	35 min
Jul 11, 12:02 AM CDT	Special Weather Statement	GID	Merrick, Nance, Polk	43 min
Jul 11, 12:12 AM CDT	Special Weather Statement	GID	Buffalo, Hall, Hamilton, Howard, Sherman	48 min
Jul 11, 12:18 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Hall, Hamilton, Howard, Merrick, Sherman	42 min
Jul 11, 12:26 AM CDT	Special Weather Statement	GID	Buffalo, Dawson, Gosper, Kearney, Phelps	34 min
Jul 11, 12:35 AM CDT	Special Weather Statement	GID	Clay, Hamilton, York	40 min
Jul 11, 12:41 AM CDT	Severe Thunderstorm Warning	GID	Adams, Buffalo, Clay, Fillmore, Hall, Hamilton and 2 more	49 min
Jul 11, 1:03 AM CDT	Severe Thunderstorm Warning	GID	Fillmore, York	27 min
Jul 11, 1:08 AM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Fillmore, Nuckolls, Thayer, Webster	22 min
Jul 11, 1:32 AM CDT	Special Weather Statement	GID	Nuckolls, Thayer, Webster	43 min
Jul 11, 1:34 AM CDT	Special Weather Statement	GID	Clay, Fillmore, York	41 min
Jul 11, 2:09 AM CDT	Severe Thunderstorm Warning	GID	Sherman, Valley	51 min
Jul 11, 2:48 AM CDT	Special Weather Statement	GID	Howard	27 min
Jul 11, 3:11 AM CDT	Special Weather Statement	GID	Sherman	34 min
Jul 11, 3:24 AM CDT	Special Weather Statement	GID	Hamilton, Merrick	36 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2020 Severe Thunderstorm Warnings in Kansas, 2020 Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.